Doctor profile · Federal record
Dr. Mark Siefring, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Louisville, KY
- NPI 1245729870
- Accepts Medicare
- 31 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1250 Bardstown RD Ste 8
Louisville, KY 402041333
(502) 456-7047
fax (502) 452-1491 - Mailing address
-
Po Box 776351
Chicago, IL 606776351
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- August 11, 2025
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Kentucky #34079 · Oregon #MD203727
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245729870. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
847
Distinct HCPCS
9
Medicare allowed
$80,931
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 444 | 216 | $98 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 169 | 129 | $79 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 89 | 65 | $121 | |
11104 |
Punch biopsy, first skin growth | 58 | 47 | $122 | |
17000 |
Destruction of precancer skin growth, 1 growth | 22 | 21 | $63 | |
11102 |
Biopsy of related skin growth, first growth | 19 | 17 | $91 | |
11105 |
Punch biopsy, each additional skin growth | 18 | 13 | $57 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $107 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 14 | 14 | $51 |
In context: peer comparison
Among 150 peers in this city , average services per provider: 294. This provider delivers 2.9× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 2 | $34.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,321
Patients
442
Total drug cost
$17,638
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 243 | 46 | $2,384 |
| Atorvastatin Calcium | Generic | 126 | 34 | $1,894 |
| Lisinopril | Generic | 110 | 27 | $918 |
| Ketoconazole | Generic | 106 | 73 | $2,616 |
| Meloxicam | Generic | 95 | 33 | $331 |
| Rosuvastatin Calcium | Generic | 91 | 26 | $1,512 |
| Metformin Hcl | Generic | 89 | 23 | $617 |
| Amlodipine Besylate | Generic | 87 | 25 | $983 |
| Losartan Potassium | Generic | 83 | 28 | $1,107 |
| Metoprolol Succinate | Generic | 57 | 19 | $1,035 |
Frequently asked questions
What is Dr. Mark Siefring's medical specialty?
Dr. Mark Siefring practices Internal Medicine Physician in Louisville, KY.
Where does Dr. Mark Siefring practice?
Dr. Mark Siefring practices at 1250 Bardstown RD Ste 8, Louisville, KY 402041333. Office phone: 5024567047.
What is Dr. Mark Siefring's NPI?
Dr. Mark Siefring's National Provider Identifier (NPI) is 1245729870, issued by NPPES.
Does Dr. Mark Siefring accept Medicare assignment?
Yes. Dr. Mark Siefring accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Siefring commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.